<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <el-row>
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button @click="getGoodsList()" slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4" style="margin-left: 15px">
          <el-button type="primary" @click="goAddPage()">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- 表格区域 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column
          label="商品价格(元)"
          prop="goods_price"
          width="100px"
        ></el-table-column>
        <el-table-column
          label="商品重量"
          prop="goods_weight"
          width="80px"
        ></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="150px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="primary"
              icon="el-icon-edit"
            ></el-button>
            <el-button
              size="mini"
              type="danger"
              icon="el-icon-delete"
              @click="removeGoodsById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 5, 7, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 商品列表
      goodsList: [],

      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 7,
      },
      total: 0,
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList() {
      const { data: res } = await this.$http.get('/goods', {
        params: this.queryInfo,
      })

      if (res.meta.status !== 200)
        return this.$message.error('获取商品列表失败')

      this.goodsList = res.data.goods
      this.total = res.data.total
    },

     
    handleSizeChange(newSize){
        this.queryInfo.pagesize = newSize
        this.getGoodsList()
    },

    
    handleCurrentChange(newPage){
        this.queryInfo.pagenum = newPage
        this.getGoodsList()
    },

    async removeGoodsById(goods_id){
        const result = await this.$confirm('此操作将永久删除该商品，是否继续?','提示',{
            confirmButtonText:'确定',
            cancelButtonText:'取消',
            type:'warning'
        }).catch(error => error)

        if(result !== 'confirm') return this.$message.info('已取消删除')

        const {data:res} = await this.$http.delete(`/goods/${goods_id}`)
        if(res.meta.status !== 200) return this.$message.error('删除商品失败')
        this.getGoodsList()
        this.$message.success('删除商品成功')

    },

    // 
    goAddPage(){
      this.$router.push('/goods/add')
    }
  },
}
</script>

<style lang="less" scoped>
</style>